[gustavoars:testing/wfamnae-next20260109 6/17] ./usr/include/linux/kvm.h:17:10: error: 'stddef.h' file not found with <angled> include; use "quotes" instead

[gustavoars:testing/wfamnae-next20260109 6/17] ./usr/include/linux/kvm.h:17:10: error: 'stddef.h' file not found with <angled> include; use "quotes" instead

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20260109
head:   4d8c567a107d0f07e6fa7f8f7b6ce4a444c69b4d
commit: daeef1578407256a91890a91ad3ba9f144098215 [6/17] KVM: Avoid a few dozen -Wflex-array-member-not-at-end warnings
config: s390-randconfig-002-20260109 (https://download.01.org/0day-ci/archive/20260110/202601100212.EIstO6bT-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260110/202601100212.EIstO6bT-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601100212.EIstO6bT-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <built-in>:1:
>> ./usr/include/linux/kvm.h:17:10: error: 'stddef.h' file not found with <angled> include; use "quotes" instead
      17 | #include <stddef.h>             /* for offsetof */
         |          ^~~~~~~~~~
         |          "stddef.h"
>> ./usr/include/linux/kvm.h:1581:16: error: implicit declaration of function 'offsetof' [-Werror,-Wimplicit-function-declaration]
    1581 | _Static_assert(offsetof(struct kvm_stats_desc, name) == sizeof(struct kvm_stats_desc_hdr),
         |                ^
>> ./usr/include/linux/kvm.h:1581:25: error: expected expression
    1581 | _Static_assert(offsetof(struct kvm_stats_desc, name) == sizeof(struct kvm_stats_desc_hdr),
         |                         ^
>> ./usr/include/linux/kvm.h:1581:48: error: use of undeclared identifier 'name'
    1581 | _Static_assert(offsetof(struct kvm_stats_desc, name) == sizeof(struct kvm_stats_desc_hdr),
         |                                                ^~~~
   4 errors generated.

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